Allora, per esperienza personale passata...
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Prova a fare il Logout (Logoff?), insomma chiudi la Sessione.
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Poi chiudi il browser.
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Poi svuota la sua Cache,
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cancella Username e Password memorizzate
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(MI RACCOMANDO.... RICORDARSELE SEMPRE a memoria!!!!)
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A quel punto... prova a rientrare (l'indirizzo l'avrai ancora nei preferiti)
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